/**
 * Created by Administrator on 2019/12/19.
 */
package com.tech.platform.cms.databases.mybatis.sqlParser;


/*
    拆解SQL
    1.select sql的几种类型
        a.单表sql
        b.subSelect sql,子查询 例如:select * from a where id in (select id form b)
        c,内联sql 例如:select * from a,b,c where a.id = b.id and b.id = c.id
        d.inner 关联
        e.left 关联
        f.right 关联
        g.union 关联
    2.insert sql的几种类型
        a.insert into table (a,b,c) values (?,?,?)
        b.insert into table (a,b,c) values (?,?,?),(?,?,?),(?,?,?)
        c.insert into table (select * from table2)
 */